312 



GENERAL SCIENCE. 



Douglas, (Sir) Howard, (cont.). Observations on the Motives, Errors 

 and Tendency of M. Carnot's Principles of Defence, showing the 

 Defects of his new System of Fortification. 8°. London, 1819. 



A Treatise on Naval Gunnery. Third edition. 



8°. London, 1851. 



Fifth edition. 8°. London, 1860. 



On Naval Warfare with Steam. 8°. London, 1858. 



Douglas, James. Nine Anatomical Figures, representing the External 

 Parts, Muscles, and Bones of the Human Body. 



Folio. London, 1748. 



A Dissertation on the Antiquity of the Earth. 



4°. London, 1785. 



Douglas, John. Lithotomia Douglassiana ; or a new Method of 

 Cutting for the Stone. 4°. London, 1723. 



A Syllabus of Chirurgical Operations. 4°. London, 1727. 



A short Account of Mortifications, and of the surprizing effect 



of the Bark in putting a stop to their progress, &c. 



8°. London, 1732. 

 Douglas, John. Medical Topography of Upper Canada. 



8°. London, 1819. 



Douglas, John William, and Scott, J. The British Hemiptera. Yol. 



1. Hemiptera-Heteroptera. (Ray Society.) 8°. London, 1865. 

 Dours, Jean Antoine. Essai de Topographie Medicale sur Daya 



(Province d'Orau). (Montpellier, Theses, No. 4.) 



4°. Montpellier, 1851. 



Douvre, V. J. Charles. Quelques Recherches sur les Grossesses extra- 

 nterines di.tes Ovariques et Abdominales. (Montpellier, Theses, 

 No. 12.) 4°. Montpellier, 1859. 



Dovar, Thomas. The Ancient Physician's Legacy to his country, or 

 account of several diseases, wherein the effects of Mercury are 

 consider'd. 12°. London, 1733. 



Dove, Heinrich Wilhelm. Correspondirende Beobachtungen iiber die 

 regelmassigen stiindlichen Veranderungen und iiber die Pertur- 

 bationen der magnetischen Abweichung in mittleren und ostlichen 

 Europa, mit einem Vorworte von Alex, von Humboldt. 



8°. [Leipzig, 1830.] 



Ueber Maass und Messen, oder Darstellung der bei Zeit-, Raum- 



und Gewichts-Bestimmungen ublichen Maasse, Messinstrumente 

 und Messmethoden nebst Reductionstafeln. Zweite Auflage. 



8°. Berlin, 1835. 



Metereologische Untersuchungen. 8°. Berlin, 1837. 



Ueber die nicht periodischen Aenderungen der Temperatur- 



■vertheilung auf der Oberflache der Erde in dem Zeitraume von 

 1789 bis 1838. 4°. Berlin, 1840. 



Report respecting the Maps of the monthly Isothermal Lines of 



the Globe. 8°. London, 1849. 



